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(More customer reviews)Before I give the bulk of the review, I will just say that after we have had this ionizer on for several days, no one in my house can tell that it does anything at all, and no noticeable change in air quality has been observed. That's enough anecdotal evidence.
If you will observe the picture at the top of the page, you will note the wider portion of the cylinder, right in the middle section. This silver colored section of the "purifier" is claimed to emit negative ions, which supposedly capture the positive ions in the air, because air impurities are positive ions (a myth). This relies on a general ion myth: negative ions good, positive ions bad. Also, if the device generates negative ions, it is also generating positive ions (possibly producing a positively charged ion collector claimed by the company).
Some quotes from the manufacturer's materials to demonstrate their views on chemistry, which you can also read on this Amazon page:
"This large amount of negative ions balances out the overdose of positive ions in indoor air, a balance that is proven to be good for our health. Even more important is its capacity to distribute the negative charge throughout the room and collect particles which is directly related to the large production of negative ions."
"Most harmful pollution generated both by indoor and outdoor sources is positively charged."
"The negative ions attach to the positively charged, harmful particles in the air, such as from dust, pollen allergens, bacteria, mould, pet dander, viruses etc."
"The positively charged collector attracts the particles and leaves the air clean." (There must be an assumption of not only neutralization of the harmful positively charged pollution, but enough negative ions bonding to the particles to give a net negative charge, in order for those particles to be attracted to the collector, unless they meant something entirely different, which was not explained.)
A little aside at this point from the EPA:
"An ionizer is a device that disperses negatively (and/or positively) charged ions into the air. These ions attach to particles in the air giving them a negative (or positive) charge so that the particles may attach to nearby surfaces such as walls or furniture, or attach to one another and settle out of the air. In recent experiments, ionizers were found to be less effective in removing particles of dust, tobacco smoke, pollen or fungal spores than either high efficiency particle filters or electrostatic precipitators. (Shaughnessy et al., 1994; Pierce, et al., 1996). However, it is apparent from other experiments that the effectiveness of particle air cleaners, including electrostatic precipitators, ion generators, or pleated filters varies widely (U.S. EPA, 1995)."
So, by using a little popular mythology that has no solid, documented, scientific evidence, a company can produce a device like this and sell it for the price you see. That is positively electrifying.
I have found at least one benefit to the device, however. If one remembers the static electricity that remains on the exterior of a television screen after turning off the television (of the CRT type), that is the feel of the air very close to the silver ion generator. If one comes in contact with the generator, a very slight electric shock will ensue, the power of which is approximately 8% of a 1.5v battery (according to the company). This can actually provide entertainment for curious children.
It's a good thing I received one for free evaluation, because personally, I would never pay a single penny for one of these.
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LightAir IonFlow 50 Surface Air PurifierWith its attractive, award-winning design, this air purifier delivers ideal results for people suffering from asthma, allergies, and respiratory problems, as well as those who simply care about the air quality of their home environment. The unit effectively eliminates more than 99 percent of the smallest airborne pollutant particles (size 0.01-1.0 microns)--including dust, smoke, pollen allergens, bacteria, viruses, fungus, mold, pet dander, and more--in less than five hours. It removes the smallest particles (nano particles below 0.1 microns), which cause the most severe health problems, but also larger particles (1.0-25.0 microns) at a reasonable rate. Plus, it does not lose effect over time as filter-based air purifiers do. The air purifier handles rooms up to 540 square feet, and it's built to work continuously. The easy-to-maintain, economical air purifier requires no expensive filters to change. Instead, simply dismount the collector once every two weeks or when needed and wash it clean in hot water and dishwashing liquid. Other highlights of this product include ozone-free silent operation (less than 5 dB), energy efficiency at only 7 watts per hour, and a discreet light in its transparent base, which can be switched off at any time. The air purifier measures 7 by 7 by 22 inches and carries a one-year warranty. From the ManufacturerLightAir IonFlow 50 LightAir IonFlow 50 delivers with an eye-catching beauty probably the healthiest air in the world. It offers an outstanding combination of efficient, silent, ozone free, energy saving, and easy to use, economical operation. LightAir IonFlow 50 boasts stylish looks, features, and performance. Research and development shows that LightAir IonFlow 50 in continuous operation is extremely effective at eliminating the smallest airborne pollution particles (nano particles below 0.1 micron). These particles normally represent around 90 percent of all particles in the air and are considered to cause the most severe health problems. And, a LightAir air purifier does not lose effect over time like filter-based air purifiers do. Unbeatable Advantages Documented Performance LightAir Ion Flow 50 reaches high performance levels. LightAir uses its unique and patented technology. Instead of moving air through a filtration system, LightAir literally removes harmful particles from the air in a room, trapping them in a collector. When necessary the collector can be easily and rapidly removed and cleaned in hot water--no repeated, costly filter replacement. Traditional electrostatic and mechanical filter air purifiers quite often present performance based on the airflow at the highest air speed at an unacceptable noise level. The independent test from the Swedish National Testing and Research Institute was carried out in a closed test chamber with a regulated supply of smoke particles and showed the remarkable result of effectively eliminating practically all airborne particles (size 0.3-1.0 micron) in less than five hours. Tests show that LightAir IonFlow 50 is extremely effective eliminating the smallest particles (nano particles below 0.1 micron) which cause the most severe health problems. The extraordinary performance of LightAir IonFlow 50 air purifier is mainly due to its ability to generate enormous volumes of electrons forming a corresponding quantity of negative ions. In fact it generates more than 250,000 ions per cubic centimeter measured at a distance of one meter. This is a level that probably no other ionizer has ever reached before without serious side effects and without generating any ozone. This large amount of negative ions balances out the overdose of positive ions in indoor air, a balance that is proven to be good for our health. Even more important is its capacity to distribute the negative charge throughout the room and collect particles which is directly related to the large production of negative ions. How It Works Extensive Reserach. Decades of Development. The engineers at LightAir have been doing research on ion generators in Sweden for more than 25 years. They have developed sophisticated applications that have been used all over the world at military facilities, in the casino industry, the fruit and vegetable industry, horseracing stables, hospitals, and many more situations. During the last 10 years, scientists at LightAir have been focusing on research using ionization in air purification for home and office environment, which have resulted in the unique patented LightAir IonFlow Technology Tests conducted by the Swedish National Testing and Research Institute prove that LightAir Ion Flow 50 air purifier effectively eliminates practically all airborne pollution particles (size 0.3-1.0 micron) in less than five hours without generating any ozone. And it does not lose effect over time. The engineers at LightAir have been doing research on ion generators in Sweden for more than 25 years. They have developed sophisticated applications that have been used all over the world at military facilities, in the casino industry, the fruit and vegetable industry, horseracing stables, hospitals and many more situations. During the last 10 years scientists at LightAir have been focusing on research using ionization in air purification for home and office environment, which have resulted in the unique patented LightAir IonFlow Technology.
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